ES2739391T3 - Inserción adaptativa de pilotos para un sistema MIMO-OFDM - Google Patents

Inserción adaptativa de pilotos para un sistema MIMO-OFDM Download PDF

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Publication number
ES2739391T3
ES2739391T3 ES11166524T ES11166524T ES2739391T3 ES 2739391 T3 ES2739391 T3 ES 2739391T3 ES 11166524 T ES11166524 T ES 11166524T ES 11166524 T ES11166524 T ES 11166524T ES 2739391 T3 ES2739391 T3 ES 2739391T3
Authority
ES
Spain
Prior art keywords
pilot
pilot symbols
symbols
additional
signaling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
ES11166524T
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English (en)
Spanish (es)
Inventor
Jay Rodney Walton
Mark S Wallace
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of ES2739391T3 publication Critical patent/ES2739391T3/es
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/76—Pilot transmitters or receivers for control of transmission or for equalising
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0204—Channel estimation of multiple channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0226—Channel estimation using sounding signals sounding signals per se
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2668—Details of algorithms
    • H04L27/2673—Details of algorithms characterised by synchronisation parameters
    • H04L27/2675—Pilot or known symbols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
ES11166524T 2004-07-20 2005-07-07 Inserción adaptativa de pilotos para un sistema MIMO-OFDM Active ES2739391T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/896,277 US8000221B2 (en) 2004-07-20 2004-07-20 Adaptive pilot insertion for a MIMO-OFDM system

Publications (1)

Publication Number Publication Date
ES2739391T3 true ES2739391T3 (es) 2020-01-30

Family

ID=35063100

Family Applications (3)

Application Number Title Priority Date Filing Date
ES05770166T Active ES2389488T3 (es) 2004-07-20 2005-07-07 Inserción adaptativa de pilotos para un sistema MIMO-OFDM
ES11166524T Active ES2739391T3 (es) 2004-07-20 2005-07-07 Inserción adaptativa de pilotos para un sistema MIMO-OFDM
ES12153312.9T Active ES2478519T3 (es) 2004-07-20 2005-07-07 Inserción adaptativa de pilotos para un sistema MIMO-OFDM

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES05770166T Active ES2389488T3 (es) 2004-07-20 2005-07-07 Inserción adaptativa de pilotos para un sistema MIMO-OFDM

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES12153312.9T Active ES2478519T3 (es) 2004-07-20 2005-07-07 Inserción adaptativa de pilotos para un sistema MIMO-OFDM

Country Status (11)

Country Link
US (2) US8000221B2 (hu)
EP (4) EP3537674B1 (hu)
JP (2) JP4690401B2 (hu)
KR (2) KR100945955B1 (hu)
CN (2) CN102361465B (hu)
CA (2) CA2851734C (hu)
ES (3) ES2389488T3 (hu)
HU (1) HUE044471T2 (hu)
MY (1) MY154786A (hu)
TW (1) TWI358215B (hu)
WO (1) WO2006019579A2 (hu)

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Also Published As

Publication number Publication date
EP2395719A1 (en) 2011-12-14
ES2478519T3 (es) 2014-07-22
MY154786A (en) 2015-07-31
US8547820B2 (en) 2013-10-01
KR20070026892A (ko) 2007-03-08
CN101023643A (zh) 2007-08-22
JP4690401B2 (ja) 2011-06-01
CA2851734A1 (en) 2006-02-23
EP2453619B1 (en) 2014-04-30
JP2010213327A (ja) 2010-09-24
EP1774736A2 (en) 2007-04-18
CA2574740A1 (en) 2006-02-23
EP1774736B1 (en) 2012-06-13
EP2395719B1 (en) 2019-05-01
TW200629774A (en) 2006-08-16
KR100945955B1 (ko) 2010-03-05
CN102361465A (zh) 2012-02-22
CN101023643B (zh) 2012-03-07
TWI358215B (en) 2012-02-11
CN102361465B (zh) 2014-08-06
US20060018287A1 (en) 2006-01-26
CA2574740C (en) 2015-11-24
WO2006019579A2 (en) 2006-02-23
US8000221B2 (en) 2011-08-16
HUE044471T2 (hu) 2019-10-28
EP2453619A1 (en) 2012-05-16
JP5341015B2 (ja) 2013-11-13
WO2006019579A3 (en) 2006-06-08
US20100067590A1 (en) 2010-03-18
JP2008507900A (ja) 2008-03-13
CA2851734C (en) 2015-04-21
ES2389488T3 (es) 2012-10-26
KR20090021400A (ko) 2009-03-03
EP3537674B1 (en) 2023-03-01
EP3537674A1 (en) 2019-09-11

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